diff --git a/.env.example b/.env.example
index 2d7824c..9c0e1ba 100644
--- a/.env.example
+++ b/.env.example
@@ -17,6 +17,10 @@ CHATGPT_API_MODEL=gpt-3.5-turbo
 #CHATGPT_REVERSE_PROXY=https://api.openai.com/v1/chat/completions
 # (Optional) Set the temperature of the model. 0.0 is deterministic, 1.0 is very creative.
 # CHATGPT_TEMPERATURE=0.8
+# (Optional) (Optional) Davinci models have a max context length of 4097 tokens, but you may need to change this for other models.
+# CHATGPT_MAX_CONTEXT_TOKENS=4097
+# You might want to lower this to save money if using a paid model. Earlier messages will be dropped until the prompt is within the limit.
+# CHATGPT_MAX_PROMPT_TOKENS=3097
 
 # Set data store settings
 KEYV_BACKEND=file